---

yaml
---
r: 209979
b: refs/heads/master
c: 546a192
h: refs/heads/master
i:
  209977: 4d3b82b
  209975: c18f793
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4536f2ad8b330453d7ebec0746c4374eadd649b1
+refs/heads/master: 546a1924224078c6f582e68f890b05b387b42653

trunk/mm/page-writeback.c

@@ -985,22 +985,16 @@ int write_cache_pages(struct address_space *mapping,
 				}
 			}
 
-			if (wbc->nr_to_write > 0) {
-				if (--wbc->nr_to_write == 0 &&
-				    wbc->sync_mode == WB_SYNC_NONE) {
-					/*
-					 * We stop writing back only if we are
-					 * not doing integrity sync. In case of
-					 * integrity sync we have to keep going
-					 * because someone may be concurrently
-					 * dirtying pages, and we might have
-					 * synced a lot of newly appeared dirty
-					 * pages, but have not synced all of the
-					 * old dirty pages.
-					 */
-					done = 1;
-					break;
-				}
+			/*
+			 * We stop writing back only if we are not doing
+			 * integrity sync. In case of integrity sync we have to
+			 * keep going until we have written all the pages
+			 * we tagged for writeback prior to entering this loop.
+			 */
+			if (--wbc->nr_to_write <= 0 &&
+			    wbc->sync_mode == WB_SYNC_NONE) {
+				done = 1;
+				break;
 			}
 		}
 		pagevec_release(&pvec);